JPS6082450A - Change lever for car - Google Patents

Abstract

PURPOSE:To improve the operationability of change lever in a cabin having limited width, in a car speed changer, by enabling speed change only through back/forth motion of change lever. CONSTITUTION:In a speed changer having a shift drum speed change mechanism 12 for changing speed through rotation of a shift drum 11, the change shaft 16 having a lever 15 for step rotate the drum 11 is interlocked through a pair of wires for forward and reverse rotation with a change lever 9. Upon rolling of lever 9 from neutral position back or fro, the shift drum 11 is step rotated forwardly or reversely. Consequently shift-up or down is performed to exchange from advance 4-step to back.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a change lever device mainly applied to single-seat and other /J1 type automobiles.

Conventionally, a change lever in an automobile can be freely swung in two directions: a select direction and a shift direction perpendicular to the select direction, and the shift operation following the select operation of the change lever changes each gear stage of the transmission mechanism provided in the engine. According to this formula, when the change lever is placed on the side of the driver's seat, it is necessary to ensure a wide operating space not only in the longitudinal direction but also in the lateral direction, which reduces aerodynamic drag. If the width of the vehicle compartment is narrowed for these reasons, it becomes difficult to secure a space for lateral operation, resulting in the inconvenience of poor operability.

In order to eliminate such inconveniences, the present invention is a device that improves the operability of the change lever in a vehicle interior by making it possible to change each gear simply by moving the change lever back and forth. Its purpose is to provide
The engine mounted on the vehicle body is equipped with a shift drum-type transmission mechanism that changes each gear by rotating the shift drum, and the change lever located on the side of the driver's seat inside the vehicle can only be moved in the front-rear direction. It is characterized in that it is freely operable, and that the shift drum is rotated via a wire or other connecting member by the back and forth movement of the change lever.

Next, the present invention will be explained with reference to the illustrated embodiments.

Referring to Figures 81 to 3, (11 is the engine (2)
The entire car body has a front engine room (1&) and a rear single room (1b), in which the front wheels (1) are mounted.
In addition to providing two wheels (3) and one rear wheel (4), a seat is provided in one driver's seat (5) in the vehicle interior (1b) to form a single-seat S@car as a whole. did.

The vehicle compartment (1b) has a driver's seat (
5) It shall be constituted by a cylindrical monohook structure having a side sill (6) on one side and a relatively tall side member (7) on the other side with a horizontal spacing equal to IIL on the upper edge of the member (7) across the side sill (6)
A gull-wing type door (8) that covers the compartment (1b) is pivotally connected, and a fifth door is attached to the side member (7) on the side of the driver's seat (5).
The change lever (9) was arranged as shown in the figure. In the drawing, 00) indicates a handle.

According to the present invention, as shown in FIG. 6, the engine (2) is equipped with a shift drum-type transmission mechanism az that changes each gear stage by rotation of a shift drum circle, and a change lever ( 9)k The shift drum 0υ is made to be freely operable only in the front-back direction, and its back-and-forth movement rotates the shift drum 0υ via the connecting member 04.

The engine (2) is not particularly different from conventionally known engines for motorcycles, and the transmission mechanism a2! is the engine (
2) is incorporated in the lower transmission case (2tL), and the shift fork (+41) engages with the groove (11a) on the drum dv by the rotation of the shift drum aυ, and the switching of each gear stage is performed. The drum +
The lever (In-mounted changesha 7) (161) that rotates the lever 111 in increments is interlocked with the change lever (9) via a pair of wires for forward rotation and reverse rotation across the connecting member (13). (9) can be freely swung into three positions: a forward position, a rear position, and an intermediate position, and the lever (9)
When the shift drum U is swung forward or backward from the intermediate position, the shift drum U is rotated in the forward or reverse direction, thereby performing upshifts and downshifts, such as switching between four forward gears and reverse. was made possible.

As shown in FIG. 7, a connecting member (131) consisting of a pair of wires for forward rotation and reverse rotation is directly connected to the shift drum αυ.
The change lever (9) is moved along a linear change pattern in the longitudinal direction from the neutral position indicated by N in the figure to each of the 1st to 4th gear shift positions in front of it and to the reverse shift position in the rear indicated by R in the figure. The shift drum αD may be made to be swingable, and by swinging to each of these shift positions, the shift drum αD may be rotated to each corresponding predetermined rotation position. Further, in the above-described embodiment, the connecting member α stage is constructed from a pair of wires for forward rotation and reverse rotation, but it can also be constructed from a push-pull type single wire or link.

In the drawing, the α force is the cam plate (
11b) Co-operating with the drum stopper'eT.

As described above, according to the present invention, an engine equipped with a shift drum type transmission mechanism is used, and the change lever is connected to the shift drum via a connecting member, so that the speed can be changed only by the forward and backward movement of the lever. Compared to conventional devices that require the lever to be operated in the lateral direction, operability in the middle of the vehicle interior is improved. There is no need to take into consideration the operation space of the 2-piece, and this has the effect of making it possible to reduce aerodynamic drag by forming the 2-piece in the middle.

[Brief explanation of drawings]

FIG. 1 is a perspective view of an example of an automobile to which the device of the present invention is applied;
Figure 2 is a side view, Figure 3 is a plan view of the single room with the door removed, Figure 4 is a cutaway front view of the single room taken along line ■-■ in Figure 3, and Figure 3 is a front view of the single room with the door removed. Fig. 5 is a perspective view of the passenger compartment, Fig. 6 is a perspective view illustrating the interlocking relationship between the change lever and the transmission mechanism, and Fig. 7 is a perspective view of a modification thereof. ...Engine (5)...
・Driver's seat (9)...Change lever συ...Shift drum (12!...Transmission mechanism (+31...2 people other than connecting members)

Claims (1)

[Claims] The engine mounted on the vehicle body is equipped with a shift drum-type transmission mechanism that changes each gear by rotating the shift drum, and the change lever located on the side of the driver's seat inside the vehicle can only be moved in the front-rear direction. A change lever IT for an automobile, which is operable and is characterized in that the shift drum is rotated via a wire or other connecting member by the forward and backward movement of the change lever.